Its more efficient to test the register we're interested in first,
potentially avoiding two more comparisons, and therefore always avoiding
one comparison per call on all other chips.
Signed-off-by: Ian Molton <ian@xxxxxxxxxxxxxx>
---
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 7ebe6460cb5c..8a730133db77 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -3766,15 +3766,18 @@ static u32 brcmf_sdio_buscore_read32(void *ctx, u32 addr)
/* Force 4339 chips over rev2 to use the same ID */
/* This is borderline tolerable whilst there is only two exceptions */
/* But could be handled better */
- if ((sdiodev->func[1]->device == SDIO_DEVICE_ID_BROADCOM_4335_4339 ||
- sdiodev->func[1]->device == SDIO_DEVICE_ID_BROADCOM_4339) &&
- addr == CORE_CC_REG(SI_ENUM_BASE, chipid)) {
+ if (addr == CORE_CC_REG(SI_ENUM_BASE, chipid) &&
+ (sdiodev->func[1]->device == SDIO_DEVICE_ID_BROADCOM_4339 ||
+ sdiodev->func[1]->device == SDIO_DEVICE_ID_BROADCOM_4335_4339)) {
+
rev = (val & CID_REV_MASK) >> CID_REV_SHIFT;
+
if (rev >= 2) {
val &= ~CID_ID_MASK;
val |= BRCM_CC_4339_CHIP_ID;
}
}
+
return val;
}
--
2.11.0
